Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Terminals of ECU

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK DISTANCE CONTROL ECU

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK LASER SENSOR

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. DIAGNOSIS FUNCTION The diagnosis function makes the light and the multi-information display come on, and the CRUISE main indicator light blink as shown in the illustration. When ...

Other materials:

Installation
1. INSTALL BRAKE ACTUATOR (a) Install the brake actuator assembly with the 2 nuts. Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 2. INSTALL BRAKE ACTUATOR WITH BRACKET (a) Install the actuator with bracket with the 3 bolts. Torque: 20 N*m (199 kgf*cm, 14 ft.*lbf) NOTICE: Be careful not to dam ...

How to register a Bluetooth® device
Display the “Bluetooth* Setup” screen. *: Bluetooth is a registered trademark of Bluetooth SIG, Inc. Select “Add”. When this screen is displayed, search for the device name displayed on this screen on the screen of your Bluetooth® device. For details about operati ...

Audio system operation buttons
“AUDIO” button Display the “Select Audio Source” screen or audio top screen. “SETUP” button Press this button to customize the function settings. “CAR” button Press this button to access the vehicle information. button Press this button to access the Blue ...